AFOS product CLIAPC
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CDUS46 KMTR 250827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT FRI SEP 25 2015


................................... 

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 24 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         90    431 PM  91    2004  79     11       79       
  MINIMUM         52    532 AM  40    2005  48      4       60       
  AVERAGE         71                        63      8       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.06                                      0.04    
  SINCE OCT 1     16.49                                      9.74    
  SINCE JAN 1      4.10                                      8.38    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   28                                         8       
  SINCE SEP 1     28                                         8       
  SINCE JUL 1     34                                        30       
                                                                     
 COOLING                                                             
  YESTERDAY        6                                         5       
  MONTH TO DATE   79                                        63       
  SINCE SEP 1     79                                        63       
  SINCE JAN 1    342                                       236       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     21           400 PM                                     
 AVERAGE    57                                                       

..........................................................

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        95      2010                    
 MINIMUM TEMPERATURE (F)   47        37      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 25 2015.....SUNRISE   659 AM PDT   SUNSET   702 PM PDT   
SEPTEMBER 26 2015.....SUNRISE   700 AM PDT   SUNSET   700 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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